ultrasonic flaw detector
- noun
- /ˌʌltrəˈsɒnɪk flɔː dɪˈtɛktər/
- Specialized
- The engineer used an ultrasonic flaw detector to check for internal cracks in the metal beam.
Examples
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With an ultrasonic flaw detector, technicians can locate imperfections that are invisible to the naked eye.
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Routine inspections involved passing an ultrasonic flaw detector over the welds to ensure structural integrity.
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The ultrasonic flaw detector identified a crack in the metal.
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We need to purchase an ultrasonic flaw detector for our testing lab.
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During the quality control process, the technician employed an ultrasonic flaw detector to identify hidden defects in the materials.
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The construction team relied on an ultrasonic flaw detector to detect any structural weaknesses in the concrete.
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To ensure safety, the aircraft manufacturer tested each part with an ultrasonic flaw detector before assembly.
How Thorough
- Specialized
- Informal
Surface Forms
Morphology
ultrasonic + flaw + detector
The compound is directly compositional: 'ultrasonic' (high-frequency sound) modifies 'flaw detector' (a device that finds imperfections), so the meaning 'a device that uses ultrasonic waves to detect flaws' is transparently derivable from its parts. Although somewhat technical, the adjective+noun naming pattern is regular and cross-linguistically common, so a B1 learner who knows the constituent words would readily infer the meaning.
Etymology
Ultrasonic flaw detector gets its name from two simple parts: ultrasonic means sound too high for our ears, and a flaw detector is a tool that finds faults. Like a bat sending high sounds and listening for echoes, the device sends ultrasonic waves into a material and listens for changes, so it can find 'hidden cracks' inside.